MIL-PRF-1/1712D
TABLE I. Testing and inspection.
Unit
Limits
Method
Requirement or test
Notes
Conditions
Symbol
Min
Max
Qualification inspection
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9/
No voltages applied
1011
Humidity
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---
---
---
1027
Temperature cycling
10/
TA = -54°C to +75°C;
(nonoperating)
5 cycles
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---
---
---
---
Vibration
11/ 12/
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---
---
Shock
1042
12/
Test condition A; 6 shocks
(see figure 1)
2
1.0
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Radio interference shielding
4258
13/
mW /m
1136
Rough handling
9/
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14/
Conformance inspection, part I
A
4.0
2.0
If
Ef = 6.3 V
Heater current (nonoperating)
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4289
A
1.90
1.54
ik
Electrode current (cathode)
1256
15/
kv
-9.5
-8.5
ek
Electrode voltage (cathode)
1261
5/
a
0.1
---
tk1 = 250; tk2 = 300
Cathode emission
4214
16/
Ćik
dB
---
37.55
F1 through F3
Gain (large signal)
4253
17/
Gls
kw
---
4.0
F1 through F3
Saturated rf power output
4254
17/
po
dB
1.0
---
F1 through F3
Gain variation (large signal)
4253
17/ 18/
ĆGls
dB
-40
---
Spurious output or stability
4261
19/
spo
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---
F1 through F3
Stability
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20/
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2.2:1
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F1 through F3
Input and output match (cold)
4256
21/
VSW R
dB
---
50
F = F2
Amplifier insertion loss
4257
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Li
psig
15
10
Coolant pressure drop versus
1155
6/
Inlet temperature = 62°C (max);
ĆP
coolant flow
flow rate = 0.5 GPM
psig
200
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Coolant pressure
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p
Conformance inspection, part 2
deg/v
0.3
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22/
4278
Phase shift
Ćθ/Ćek
Ćek = ±50 v
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1105
Permanence of marking
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See footnotes at end of table.
2
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